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Finding the Fourth Proportional to 92,168.22, 127,190.70 and 51,881.88

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Solution

The fourth proportional to 92,168.22, 127,190.70 and 51,881.88 is: 71,596.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,168.22 : 127,190.70 = 51,881.88 : x
  2. Step 2: Convert to fraction form
    92,168.22/127,190.70 = 51,881.88/x
  3. Step 3: Cross multiply
    92,168.22x = 127,190.70 × 51,881.88
  4. Step 4: Simplify right side
    92,168.22x = 6,598,892,634.52
  5. Step 5: Solve for x
    x = 6,598,892,634.52/92,168.22
  6. Step 6: Final answer
    x = 71,596.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.